Kathon™ CC is a broad-spectrum microbiocide that is extremely effective against bacteria, fungi, mold, and yeast even at low treatment levels. This unique formula allows the user to quickly test for the concentration of the biocide right at the sump. It is recommended for use in soluble, semi-synthetic and synthetic metalworking fluids and will immediately neutralize most foul odors. Kathon™ CC does not contain or release formaldehyde and does not contribute to ammonia blush common to many other biocides. (Note: Kathon™ is a trademark of Dow Chemical.)